Web design and development are the processes of creating, building, and maintaining websites. Web design involves the visual aspects of a website, such as layout, colours, fonts, images, and animations. Web development involves the technical aspects of a website, such as coding, functionality, performance, and security.
A website maintenance company is a business that offers services to keep websites up to date, functional, and secure. Website maintenance can include tasks such as updating content, fixing bugs, improving speed, optimizing SEO, and preventing cyberattacks.